ENHANCE NIGHTLUX BLM Bike Light Handlebar Mount. Easy and Tool-Free Setup - The installation of the NIGHTLUX BLM does not require any tools and only takes a few minutes to complete! Simply loosen the adjustment strap on the BLM mount , wrap it around your bicycle handlebar , and tighten the strap until it fits your handlebar snug. The BLM fits handlebars up to 40 mm in diameter. High Quality Light Options - The NIGHTLUX BLM uses CREE LED lights with multiple setting options. Choose between two flash settings and two brightness settings to fit your needs. The BLM also shines with 115 lumens in a 180 degree field of view so you can see everything in front of you as you ride! The power button lights up blue to indicate the BLM has full battery power and changes to red when the batteries need to be replaced. Weather Resistant - The NIGHTLUX BLM can handle most harsh weather conditions. With an IPX4 water resistant rating , the BLM can be relied on to keep your view clear through any storm. The flashlight is also detachable from the mount so you can use the light independently when you must leave your bike behind. Works with: Diamondback Tess 20 , Octane 20 , Calico Sport , Century 1 , Century 2 , Century 3 - Schwinn Phocus 1600 , Phocus 1400 , Herald , Wayfarer 700C , Volare 1200 , Volare 1300 , Katana , Sanctuary - GMC Denali - Framed Elite 1.0 CT , Elite 1.0 FT , Oslo - Vilano Aluminum , Shadow , Edge , FORZA , Classic Urban Commuter , Performance , Rampage - Kestrel Talon , Legend , Shimano - SE Bikes Royal - Tour De France Advantage Elite - Huffy DS-3 - Merax 21 Speed 700C. And More Road Bikes!